An embargo imposed by a Government against another country.

Filter rating indicating the approximate particle size for which the majority will not pass through a given filter. It is generally interpreted as meaning that 85% of the particles of size equal to the nominal filter rating will be retained by the filter.

The structure of a prepared surface of a metal as revealed by a microscope at a magnification exceeding 25x.

The electrical and magnetic fields created by the presence or flow of electricity in an electrical conductor or electricity consuming appliance or motor.

Business pertaining to commerce or navigation transacted upon the sea or in seaports in such matters as the court of admiralty has jurisdiction.

Same as photometer.

Any material that has a limited capacity for conducting an electric current. Certain semiconductors, including silicon, gallium arsenide, copper indium diselenide, and cadmium telluride, are uniquely suited to the photovoltaic conversion process.

The art and science of designing vessels.

Seaman's scornful name for any lead of a rope by which effort is lost or wasted.

Water washing over; the situation of an object when almost submerged.

Merchant Marine Licensing & Document System.

The rate of energy transfer equivalent to one ampere under an electrical pressure of one volt. One watt equals 1/746 horsepower, or one joule per second. It is the product of Voltage and Current (amperage).

Money received by an individual as a salary, or from investments. Cash deposits and bonds will.

Assessment model for Coastal and Marine Environments.

Resilient Light Beacon.

A product of crude oil that is used for space heating, diesel engines, and electrical generation.

Caught in the ice.

A type of cooling system that uses a charging and discharging cycle with a thermal or latent heat storage subsystem.

A device used to hold liquid-in-glass maximum and minimum thermometers in the proper recording position inside an instrument shelter, and to permit them to be read and reset. See Townsend support.

See approximate absolute temperature scale, Celsius temperature scale, centigrade temperature scale, Fahrenheit temperature scale, Kelvin temperature scale, Rankine temperature scale, Reaumur temperature scale,